#include <cstdio>
#include <algorithm>
#include <vector>
using namespace std;
const int MAXN = 50000;
struct Car {
int id;
int x;
int w;
};
inline bool operator<(const Car &a, const Car &b) {
return a.x < b.x;
}
Car initialOrder[MAXN];
Car desiredOrder[MAXN];
Car mergeTab[MAXN];
int id2DesiredIndex[MAXN];
bool checkRes;
bool cmp(int aId, int bId) {
return (id2DesiredIndex[aId] <= id2DesiredIndex[bId]);
}
void merge(int l, int m, int r, int w) {
int length = r-l+1;
int i=0, j=l, k=m;
while ((j <= m-1) && (k <= r)) {
if (cmp(initialOrder[j].id, initialOrder[k].id)) {
mergeTab[i] = initialOrder[j];
i++; j++;
}
else {
mergeTab[i] = initialOrder[k];
for (int z=j; z<m; z++)
if (initialOrder[k].w + initialOrder[z].w > w)
checkRes = false;
i++; k++;
}
}
while (j <= m-1) {
mergeTab[i] = initialOrder[j];
i++; j++;
}
while(k <= r) {
mergeTab[i] = initialOrder[k];
i++; k++;
}
i = 0;
while(l <= r) {
initialOrder[l] = mergeTab[i];
i++; l++;
}
}
void mergeSort(int l, int r, int w) {
int m;
if (r > l) {
m = (r+l)/2;
mergeSort(l, m, w);
mergeSort(m+1, r, w);
merge(l, m+1, r, w);
}
}
bool check(int n, int w) {
for (int i=0; i<n; i++) {
id2DesiredIndex[desiredOrder[i].id] = i;
}
checkRes = true;
mergeSort(0, n-1, w);
return checkRes;
}
int main() {
int t, n, w, x1, y1, x2, y2;
scanf("%d", &t);
while (t--) {
scanf("%d%d", &n, &w);
for (int i=0; i<n; i++) {
scanf("%d%d%d%d", &x1, &y1, &x2, &y2);
initialOrder[i].id = i+1;
initialOrder[i].x = min(x1, x2);
initialOrder[i].w = abs(y1-y2);
}
for (int i=0; i<n; i++) {
scanf("%d%d%d%d", &x1, &y1, &x2, &y2);
desiredOrder[i].id = i+1;
desiredOrder[i].x = min(x1, x2);
desiredOrder[i].w = abs(y1-y2);
}
sort(initialOrder, initialOrder+n);
sort(desiredOrder, desiredOrder+n);
//printf("[DEBUG] Initial order:\n");
for (int i=0; i<n; i++) {
//printf("[DEBUG] %d: %d %d\n", initialOrder[i].id, initialOrder[i].x, initialOrder[i].w);
}
//printf("[DEBUG] Desired order:\n");
for (int i=0; i<n; i++) {
//printf("[DEBUG] %d: %d %d\n", desiredOrder[i].id, desiredOrder[i].x, desiredOrder[i].w);
}
bool res = check(n, w);
if (res) printf("TAK\n");
else printf("NIE\n");
}
return 0;
}
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 | #include <cstdio> #include <algorithm> #include <vector> using namespace std; const int MAXN = 50000; struct Car { int id; int x; int w; }; inline bool operator<(const Car &a, const Car &b) { return a.x < b.x; } Car initialOrder[MAXN]; Car desiredOrder[MAXN]; Car mergeTab[MAXN]; int id2DesiredIndex[MAXN]; bool checkRes; bool cmp(int aId, int bId) { return (id2DesiredIndex[aId] <= id2DesiredIndex[bId]); } void merge(int l, int m, int r, int w) { int length = r-l+1; int i=0, j=l, k=m; while ((j <= m-1) && (k <= r)) { if (cmp(initialOrder[j].id, initialOrder[k].id)) { mergeTab[i] = initialOrder[j]; i++; j++; } else { mergeTab[i] = initialOrder[k]; for (int z=j; z<m; z++) if (initialOrder[k].w + initialOrder[z].w > w) checkRes = false; i++; k++; } } while (j <= m-1) { mergeTab[i] = initialOrder[j]; i++; j++; } while(k <= r) { mergeTab[i] = initialOrder[k]; i++; k++; } i = 0; while(l <= r) { initialOrder[l] = mergeTab[i]; i++; l++; } } void mergeSort(int l, int r, int w) { int m; if (r > l) { m = (r+l)/2; mergeSort(l, m, w); mergeSort(m+1, r, w); merge(l, m+1, r, w); } } bool check(int n, int w) { for (int i=0; i<n; i++) { id2DesiredIndex[desiredOrder[i].id] = i; } checkRes = true; mergeSort(0, n-1, w); return checkRes; } int main() { int t, n, w, x1, y1, x2, y2; scanf("%d", &t); while (t--) { scanf("%d%d", &n, &w); for (int i=0; i<n; i++) { scanf("%d%d%d%d", &x1, &y1, &x2, &y2); initialOrder[i].id = i+1; initialOrder[i].x = min(x1, x2); initialOrder[i].w = abs(y1-y2); } for (int i=0; i<n; i++) { scanf("%d%d%d%d", &x1, &y1, &x2, &y2); desiredOrder[i].id = i+1; desiredOrder[i].x = min(x1, x2); desiredOrder[i].w = abs(y1-y2); } sort(initialOrder, initialOrder+n); sort(desiredOrder, desiredOrder+n); //printf("[DEBUG] Initial order:\n"); for (int i=0; i<n; i++) { //printf("[DEBUG] %d: %d %d\n", initialOrder[i].id, initialOrder[i].x, initialOrder[i].w); } //printf("[DEBUG] Desired order:\n"); for (int i=0; i<n; i++) { //printf("[DEBUG] %d: %d %d\n", desiredOrder[i].id, desiredOrder[i].x, desiredOrder[i].w); } bool res = check(n, w); if (res) printf("TAK\n"); else printf("NIE\n"); } return 0; } |
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